Question: For a population that is not normally distributed, the distribution of the sample means will be negatively skewed. approach the normal distribution. be positively skewed.

For a population that is not normally distributed, the distribution of the sample means will

		be negatively skewed.
		approach the normal distribution.
		be positively skewed.
		take the same shape as the population.

2.5 points

QUESTION 29

A statewide sample survey is to be made. First, the state is subdivided into counties. Seven counties are selected at random and further sampling is concentrated on these seven counties. What type of sampling is this?

		Simple random
		Systematic random sampling
		Cluster
		Stratified

2.5 points

QUESTION 30

A developer of a new subdivision wants to build homes that are all different. There are three different interior plans that can be combined with any of five different home exteriors. How many different homes can be built?

		8
		10
		15
		30

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